The Snap-On XDHFM1516 15mm & 16mm Double Box Wrench is a high-quality hand tool designed for automotive use. Made by the trusted brand Snap-on in the United States, this box wrench features a 12 point drive type for easy and efficient tightening and loosening of nuts and bolts. With a single piece design and a size of 15mm, this wrench is a valuable addition to any mechanic's toolbox. Though it does not come with a warranty, its durable construction and precise measurement make it a reliable choice for professional automotive work.